Home / 92,964.45-139,387.55-42,977.73

Finding the Fourth Proportional to 92,964.45, 139,387.55 and 42,977.73

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Solution

The fourth proportional to 92,964.45, 139,387.55 and 42,977.73 is: 64,439.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,964.45 : 139,387.55 = 42,977.73 : x
  2. Step 2: Convert to fraction form
    92,964.45/139,387.55 = 42,977.73/x
  3. Step 3: Cross multiply
    92,964.45x = 139,387.55 × 42,977.73
  4. Step 4: Simplify right side
    92,964.45x = 5,990,560,274.37
  5. Step 5: Solve for x
    x = 5,990,560,274.37/92,964.45
  6. Step 6: Final answer
    x = 64,439.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.